KR20040046063A - Method for automatic controlling drying time of a drum washing machine with dryer - Google Patents

Abstract

PURPOSE: An automatic adjusting method of drying time for a drum washing machine used as a drier is provided to dry efficiently in inverse proportion to moisture among clothes by adjusting drying time corresponding to RPM(Revolution Per Minute) of a washing motor during spinning, and to reduce crease of clothes and power consumption by setting drying time differentially according to degree of dehydration. CONSTITUTION: To automatically adjusting drying time of a drum washing machine used as a drier with a washing motor, washing and rinsing courses are performed according to the washing course by a user(S11,S12). Dehydrating is performed after finishing rinsing, and RPM of the washing motor is detected and stored in spinning(S13). Drying time is adjusted according to each RPM level of the washing motor after dehydrating(S23). Drying time is decreased in increase RPM of the washing motor. Drying is performed with the first, second, third or fourth drying time in dehydrating with first, second, third or fourth RPM.

Description

Method for automatic controlling drying time of a drum washing machine with dryer}

The present invention relates to a dry drum washing machine, and more particularly, to a method for automatically setting a drying time of a dry drum washing machine in which a drying stroke is set differently according to the degree of dehydration during drying.

1 and 2, a conventional conventional dry and dry drum washing machine is provided with a door 2 in the front of the main body 1, a tub 3 is supported in the main body 1, In the tub 3, a drum 6 is installed to rotate by receiving the driving force of the motor 4 through the belt 5, and the drum 6 is disposed between the front surface of the tub 3 and the main body 1. Gasket (7) is installed to act as a buffer while the rotation of the rotation), and the detergent container (9) is installed at the upper portion of the main body (1) to be connected to the tub (3) by the water supply hose (8). In addition, a drain hose 11 having a drain pump 10 is connected to an outer lower portion of the tub 3, and a washing heater 12 is heated at the inner lower portion of the tub 3 to generate heat when a user selects a water temperature. Is installed.

In addition, a blower fan 13 is installed at an upper portion of the main body 1, and the blower fan 13 and the gasket 7 have winds generated by the blower fan 13 from the tub 3 and the drum 6. It is connected by the blowing doctor 14 so as to be guided inside, and the drying heater 15 is installed in the blowing duct to heat the blown wind, and the blowing fan 13 and the tub 3 One side lower portion is connected by the condensation duct 16 to serve as a circulation passage of the wind, one side of the main body 1 to supply the cold water into the condensation duct 16 condensed water so that the air circulated condensed by the cold water The water supply port 18 to which the pipe 17 is connected is attached.

Therefore, if you open the door 2 installed on the front of the main body 1, put the laundry to be washed with the drum 6 installed in the tub 3, close the open door 2 again and select the operation button, Since the water supply valve () is opened, water to be used for washing is guided into the tub 3 through the detergent container 9 and into the tub 3, which enters the tub 3 and the drum installed in the tub 3. It is filled in (6) by a certain height.

In this way, when the water to be used for washing is filled in the tub 3 and the drum 6 by a certain height, the water supply is stopped and the motor 4 is driven forward and backward, and the driving force of the motor 4 is the belt 5. Since the drum 6 is rotated in a forward / reverse direction with a certain period because it is transmitted to the drum 6 through), laundry is flowed by a lift (not shown) formed on the inner circumferential surface of the drum 6. The laundry is washed by the friction force with the drum, the decomposition force of the detergent, and the like.

On the other hand, when the user selects the water temperature when the operation button is selected, when the water to be used for washing water is supplied to the washing heater 12 installed in the inner lower portion of the tub 3 operates to generate heat, so that the water in the drum 6 is heated by this heat. Warm up to the selected temperature and boil the laundry.

When the washing operation is completed by the above-described action, the drain valve 10 installed in the drain hose 11 is operated so that the water used for washing is drained to the outside through the drain hose 11, and the draining is completed. The rinsing stroke is completed by the same action as the washing stroke.

After the rinsing process is repeated by the set number of times, the motor 4 is driven in one direction, so the drum 6 installed in the tub 3 receives this one-way driving force and rotates at a high speed, so that the water contained in the laundry is subjected to centrifugal force. The dehydration administration is completed because it exits.

In this way, when the dehydration operation is completed, the drum 6 rotates in the forward and reverse directions in the same manner as in the previously described washing operation to move the laundry, and the blower fan 13 operates to generate wind. The blown wind is guided through the blowing duct 14 connecting the blowing fan and the gasket 7 to enter the tub 3 and the drum 6, and at this time, the drying heater 15 installed in the blowing duct 14. Since the heat generated in the tub 3 and the drum 6 is heated, the moisture of the laundry is removed by the hot wind and dried, and the hot wind entered into the drum 6 As the blower fan 13 continues to operate, a cycle for entering the blower fan 13 through the condensation duct 16 connecting the blower fan and the tub 3 is achieved.

Cold water is supplied through the water inlet 18 attached to one side of the main body 1 when the laundry is dried while the hot wind is circulated by the above-described action, and the cold water supplied is condensed through the condensate pipe 17. 16) As it enters inside, the hot wind circulated through the condensation duct is condensed by cold water, and the wind at the moment of circulating and entering the blower fan 13 is cold, and the cold water used for the condensation is It is understood that the tub 3 flows down and is discharged to the outside through the drain hose 11 during the operation of the drain pump 10.

As described above, the combined drum washing machine according to the prior art performs an unconditional drying stroke during the drying time selected during the drying stroke, so that the drying stroke is carried out irrespective of the moisture content adsorbed on the clothing and thus the clothes are wrinkled or dried. There was a problem of being less.

The present invention has been made to solve the above problems, automatic drying time of the drying combined drum washing machine to adjust the drying time differently according to the RPM per minute (RPM) of the dehydrated motor in the drying combined drum washing machine The purpose is to provide a method.

1 is a longitudinal sectional view showing main parts of a combined drum washing machine according to the related art.

FIG. 2 is a sectional view along the line A-A in FIG. 1

3 is a drying time automatic adjustment method of the combined drying drum washing machine according to the present invention

In order to achieve the above object, the method for automatically adjusting the drying time of a combined drum washing machine according to the present invention is a method of automatically adjusting the drying time of a combined drum washing machine equipped with a washing motor, and washing and rinsing according to a washing course set by a user. Performing a stroke, detecting the revolutions per minute of the washing motor during a dehydration stroke while performing a dehydration stroke when the rinsing stroke is completed; and detecting the detected revolution speed of the washing motor when the dehydration stroke is finished. It is characterized by comprising the step of adjusting the drying time according to.

Hereinafter, with reference to the accompanying drawings in more detail the drying time automatic adjustment method of the dry combined drum washing machine according to the present invention.

3 is a flow chart illustrating a method for automatically adjusting the drying time of a combined drum washing machine according to the present invention.

The automatic drying time adjustment method of the combined drum washing machine according to the present invention, referring to FIG. 3, first, when a washing instruction is input, washing and rinsing operations are performed according to a set condition (S11 to S12).

When the rinsing stroke is finished, the dehydration stroke is started, and detects and stores the RPM per minute (RPM) of the washing motor during the dehydration stroke (S13).

And it is determined whether the drying administration has been started (S14).

As a result of the determination (S14), when the drying stroke is started, it is determined whether the stored RPM is the first rotational speed (1400 RPM) (S15).

As a result of the determination (S15), if the rotational speed per minute of the washing motor is the first set rotational speed (1400 RPM), the drying time is set as the first drying time (T1) (S16).

On the other hand, the determination result (S15), if the RPM per minute of the washing motor is not the first set speed (1400 RPM) it is determined whether or not the dehydration stroke proceeded to the second set speed (1200 RPM) (S17).

Subsequently, in the determination result (S17), if the rotation speed of the washing motor is dewatered at the second set rotation speed (1200 RPM), the drying time is set as the second drying time T2 (S18).

In addition, the determination result (S17), if the rotation speed of the washing motor is not the second set speed (1200 RPM) determines whether or not the dehydration operation proceeded to the third set speed (1000 RPM) (S19).

As a result of the determination (S19), when the rotational speed of the washing motor is dewatered at the third set rotation speed (1000 RPM), the drying time is set to the third drying time T3 (S20).

On the other hand, the determination result (S19), if the rotation speed of the washing motor is not the third set speed (1000 RPM) it is determined whether the dehydration stroke proceeded to the fourth set speed (800 RPM) (S21).

As a result of the determination (S21), if the rotation speed of the washing motor has been dewatered at the fourth set rotation speed (800 RPM), the drying time is set to the fourth drying time T4 (S22).

Then, the drying operation is performed by any one of the first to fourth drying times T1 to T4 set at step S23.

Here, the first rotation speed, the second rotation speed, the third rotation speed and the fourth rotation speed satisfy the conditions of the first rotation speed> the second rotation speed> the third rotation speed> the fourth rotation speed. Further, the first drying time T1, the second drying time T2, the third drying time T3, and the fourth drying time T4 satisfy the conditions of T1 <T2 <T3 <T4.

As described above, the automatic drying time adjustment method of the combined dry laundry machine according to the present invention detects and stores how many revolutions the washing motor rotates before the dehydration stroke is completed and the drying stroke starts. The drying time is set according to the stored rotational speed, and the drying operation is performed according to the set drying time.

As described above, the method for automatically adjusting the drying time of the combined drum washing machine according to the present invention has the following effects.

First, by controlling the drying time in accordance with the RPM of the washing motor during the dehydration administration, drying is performed in inverse proportion to the moisture content adsorbed on the clothes can be carried out more efficiently.

Second, by setting the drying time differently depending on the degree of dehydration can be prevented that the clothing is wrinkled a lot, or less dry.

Third, by setting the drying time differently depending on the degree of dehydration can be more efficient power consumption.

Claims (5)

In the drying time automatic adjustment method of the combined drying laundry machine equipped with a washing motor, Performing washing and rinsing strokes according to a washing course set by a user; Detecting and storing the RPM per minute of the washing motor during the dehydration stroke while performing a dehydration stroke when the rinsing stroke is completed; And, When the dehydration stroke is completed, the drying time automatic adjustment method of a dry drum washing machine characterized in that it comprises a step of adjusting the drying time according to the RPM per minute (RPM) level of the stored washing motor. The method of claim 1, Adjusting the drying time according to the RPM per minute of the washing motor level Method of automatically drying time drying drum washing machine, characterized in that the step of reducing the drying time is adjusted as the RPM of the washing motor is higher. The method of claim 1, Adjusting the drying time according to the RPM per minute level of the washing motor Performing a drying stroke with a first drying time when the rotation speed of the washing motor is dewatered at a predetermined first rotation speed; If the number of revolutions of the washing motor is dewatered at a preset second speed, performing a drying stroke with a second drying time; Performing a drying stroke with a third drying time when the washing speed of the washing motor is dewatered at a predetermined third rotation speed; If the number of revolutions of the laundry motor is carried out to the predetermined number of revolutions to perform a drying stroke of the dry drying drum washing machine, characterized in that the step of performing a drying stroke to the fourth drying time. The method of claim 3, wherein The first to fourth rotational speed is a drying time automatic adjustment method for a dry combined drum washing machine, characterized in that the first rotational speed> the second rotation speed> the third rotation speed> the fourth rotation speed conditions. The method of claim 3, wherein The first to fourth drying time satisfies the conditions of the first drying time <second drying time <third drying time <fourth drying time conditions.